package MVC.controller;

import DAO.DAO;
import MVC.Model.DBOperation;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Hai
 */
@WebServlet(name = "login", urlPatterns = {Manager.Const.index})
public class Login extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession(true);

        DAO obj = new DAO();
        DBOperation objDB = new DBOperation();

        String username = request.getParameter("u");
        String password = request.getParameter("p");

        boolean temp = objDB.checkLogin(username, password);
        
        if (username != null && password != null) {
            if (temp == true) {
                try {
                    session.setAttribute("user", obj.getDAO().Select("user", "username=" + username + " and password=" + password));
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
                out.printf("s");
            }
            else {out.print("chua dang nhap nghen!");}
        } else {
            out.printf("f");
        }
        out.close();
    }
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
